K. D. Powers, Donna J. Brown, Martin L. Brady. The 60° grid: routing channels in width d/√3. In First Great Lakes Symposium on VLSI, 1991, Kalamazoo, MI, USA, March 1-2, 1991. pages 214-219, IEEE, 1991. [doi]
@inproceedings{PowersBB91,
title = {The 60° grid: routing channels in width d/√3},
author = {K. D. Powers and Donna J. Brown and Martin L. Brady},
year = {1991},
doi = {10.1109/GLSV.1991.143968},
url = {http://dx.doi.org/10.1109/GLSV.1991.143968},
researchr = {https://researchr.org/publication/PowersBB91},
cites = {0},
citedby = {0},
pages = {214-219},
booktitle = {First Great Lakes Symposium on VLSI, 1991, Kalamazoo, MI, USA, March 1-2, 1991},
publisher = {IEEE},
isbn = {0-8186-2170-2},
}